Home / 38,243.44-52,772.82-21,248.20

Finding the Fourth Proportional to 38,243.44, 52,772.82 and 21,248.20

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Solution

The fourth proportional to 38,243.44, 52,772.82 and 21,248.20 is: 29,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,243.44 : 52,772.82 = 21,248.20 : x
  2. Step 2: Convert to fraction form
    38,243.44/52,772.82 = 21,248.20/x
  3. Step 3: Cross multiply
    38,243.44x = 52,772.82 × 21,248.20
  4. Step 4: Simplify right side
    38,243.44x = 1,121,327,433.92
  5. Step 5: Solve for x
    x = 1,121,327,433.92/38,243.44
  6. Step 6: Final answer
    x = 29,320.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.